Available to hire
I am Guillaume de la Rochemacé, a Java/Calypso Technical Analyst with over 15 years of experience in the financial services industry, based in Switzerland near Renens. I specialize in cross-asset Calypso implementations, post-trade processing, risk analysis, and DevOps automation, delivering robust solutions from front to back and helping teams move migrations and regulatory reporting forward.
I am a proactive learner with strong analytical skills, comfortable with agile methods and grid computing. I enjoy collaborating with traders, risk, and operations to design technical improvements, implement automation, and ensure smooth production and accurate reconciliations across environments.
Skills
Experience Level
Language
French
Fluent
English
Fluent
German
Intermediate
Work Experience
DevOps & Calypso Technical Analyst at SIX
March 1, 2020 - PresentIn this role, I monitor production, manage releases and environments, and implement monitoring tools like Grafana and Prometheus. I led migration projects of Calypso from v15.1 to v16.1 and worked on development projects such as Jenkins pipeline implementation and technical improvements for the Calypso team. I also developed Python tools for data processing and implemented LDAP import automation, all within an agile scrum environment.
POC/MVP Developer of the AGILITY tool at SANOFI
October 1, 2022 - August 30, 2025Developed from scratch a skills-based employee mobility tool using Java, SpringBoot, and Angular. Tasks included designing the data model, implementing D3js radar overlays for skill matching, creating employee rating filters, code review via Bitbucket, and technical leadership. Worked in an agile scrum environment focused on BI and pharmacy.
Tech Lead Full Stack Developer at TechsMatch
May 1, 2022 - August 30, 2025Led full stack development of the TechsMatch platform, creating matching algorithms between candidates and job needs, monitoring production and releases, validating team's pull requests, and driving technical improvements. Technologies used included Java SpringBoot, Angular, PostgresSQL, ElasticSearch, KeyCloak and JHipster, following scrum methodology.
Calypso Technical Analyst (Contractor) at CA-CIB
March 1, 2020 - August 30, 2025Supported production management, environment monitoring and migration projects from Calypso versions v13 to v16. Led batch and scheduled jobs migration, custom workflow rule development, and accounting enhancements. Acted as tech lead during migration alongside agile scrum and extreme programming.
Founder / Developer at WatData Startup
June 1, 2019 - August 30, 2025Co-created and developed a Big Data dynamic dashboard solution with Angular, Java, and SpringBoot. Delivered front-end development for clients such as Groupama in the real estate domain, including monitoring and continuous improvement of dashboards. Adopted agile scrum processes.
Java/Calypso Technical Analyst (Contractor) at La Banque Postale
January 1, 2019 - August 30, 2025Handled production follow-up, management, and environment monitoring. Led major Calypso migration from v11 to v13, technical project leadership for regulatory reporting and Markit interconnection. Developed tools for non-regression testing and multiple front-to-back office customizations including pricing models, risk analysis and confirmation management—all under agile scrum and extreme programming methods.
Java/Calypso Technical Analyst (Contractor) at Natixis
December 1, 2012 - August 30, 2025Supported production and migration from Calypso v10.3 to v11.1. Led archive project management and coding. Maintained RealTime Trading Board, modified web services, customized risk and P&L measures, integrated new FXOption product, enhanced end-of-month processing and developed DTCC Novation workflows. Also optimized batch performance and maintained low-level infrastructure (grid, Java versions). Participated actively in agile techniques and management team.
Java/Calypso Technical Analyst & BI Dashboard Analyst at CA-CIB (ex: Calyon)
June 1, 2010 - August 30, 2025Led production follow-up, integration of Calypso with other systems, created reports and workflows for back office. Participated in Calypso migration v8 to v9.03 and optimized data archiving and database reorganization. Deployed BI Qlik documents for back office customers.
Technical Analyst at Capgemini
July 1, 2007 - August 30, 2025Developed and deployed a multi-level intranet for EDF Réseau Distribution on WebLogic Integration platform, including Java/J2EE modifications to centralize error tracking across several systems.
IT Engineer at Unilog
July 1, 2006 - August 30, 2025Created and deployed a collaborative Intranet system for the client ETAM using Python/Zope/CPS technology, which remains in use.
DevOps & Calypso Technical Analyst at SIX
March 1, 2020 - PresentMonitoring production, releases and environments; implemented Grafana/Prometheus monitoring; migrated Calypso from V15.1 to MR V16.1.0.71/0.94; contributed to env refresh pipelines, CCAT validation, and technical improvements; developed a Python tool for bulk DataUploader files and automated LDAP imports.
POC/MVP Developer at SANOFI
October 31, 2022 - October 18, 2025From scratch development of AGILITY tool in Java/SpringBoot/Angular; created MCD and generated JHipster entities; implemented D3js radar overlays to map employee skills to project needs; built filters and rating system; led PR validation and technical improvements.
Tech Lead / Full Stack Developer at TechsMatch
May 31, 2022 - October 18, 2025From scratch development of TechsMatch platform; implemented MCD, generated JHipster entities; designed a tag-based matching algorithm; led PR validations and technical improvements; managed production monitoring and environment stability.
Calypso Technical Analyst (Contractor) at CA -CIB
March 31, 2020 - October 18, 2025Cross-asset migration from Calypso v13/v16; scheduled task optimization for v16; led batch controls in ControlM; developed custom workflow Rules; accounting (CRE) generation and enrichment; FO/BO risk and P&L related developments.
Founder / Developer at WatData
June 1, 2019 - October 18, 2025From-scratch development of the WatData BigData frontend: dynamic multi-criteria dashboards; collaborated with NSIT BIM on real estate portfolio analytics; delivered front-end dashboards using Angular and BI tooling.
Java / Calypso Technical Analyst at LA BANQUE POSTALE
January 1, 2019 - October 18, 2025Production follow-up, environments, and project maintenance; Calypso cross-asset migration and in-house development; led development of curve generation, pricing models and regulatory reporting interfaces.
Java / Calypso Technical Analyst at NATIXIS
December 31, 2012 - October 18, 2025FO/BO risk analysis customization, P&L pricing measures, & FXOption integration; performance batch optimization; low-level grid computing and database migration tasks; participation in agile development.
Java / Calypso Technical Analyst & BI Calypso Dashboard Analyst at CA-CIB (ex Calyon)
June 30, 2010 - October 18, 2025Front-to-back Calypso cross-asset integration; BI dashboards for accounting and clearance; development of non-regression testing tools and regulatory reporting components.
Java / Calypso Technical Analyst at CA -CIB
July 31, 2007 - October 18, 2025Back Office Calypso dashboard development; Calypso migrations (v8 to v9.03); creation and modification of SWIFT/CST messages and CRE/RSR type reporting; archive optimization and archiving strategy.
IT Engineer at UNILOG
July 31, 2006 - October 18, 2025Intranet collaboration project for ETAM; Python/Zope implementation and deployment; initial exposure to intranet solutions and system integration.
Technical Analyst at CAPGEMINI
July 31, 2007 - October 18, 2025Deployment of intranet for EDF Réseau Distribution on WebLogic; Java/J2EE enhancements for multi-level intranet; cross-team integration work.
Calypso / Java / DevOps Technical Analyst at SIX
March 1, 2025 - October 27, 2025Monitoring of production, releases and environments; migration of Calypso from v15.1 to MR v16.1.0.71, MR v16.1.0.94 and MR v18.25.3.1. Led Jenkins pipeline implementations to refresh environments and pass CATTs; validated Bitbucket PRs; acted as technical lead on TPA Calypso improvements; used Tableau for vulnerability analysis across servers; developed a Python tool to generate bulk DataUploader files for SIX customers; integrated an external tool (Comyno) with Ansible via Docker; monitored MQSeries messages; migrated from Bitbucket to GitLab; implemented automatic LDAP import in Calypso.
Java/ Calypso TA /DevOps (Contractor) at CA-CIB
March 1, 2020 - October 27, 2025Production follow-up, environment management, ongoing maintenance and project work; cross-asset Calypso migration v13.007SP2 to v16.1.0.15; scheduled task adaptation and optimization for V16; tech lead on migration and day/night batch Control-M jobs; development of custom workflow rules; CRE generation and enrichment; various tasks for FO/BO including risk analysis and P&L components.
Java/ Calypso Technical Analyst at LA BANQUE POSTALE
January 1, 2019 - October 27, 2025Front-to-back cross-asset implementation; Calypso migration v11.14 to v13.007SP2; in-house Calypso development; technical project leader on Markit interconnection (Dev, EAI test); regulatory reporting for Bonds issuances; development of a Non-Regression Testing Tool; curve generator and curve yield window; pricer measures and risk/valuation enhancements; FO/BO enhancements including longer-term automation and reporting.
Java/ Calypso Technical Analyst at NATIXIS
December 1, 2012 - October 27, 2025Front-to-back for credit derivatives and exotic rates; Calypso migration v10.3 to v11.1; real-time trading board maintenance; low-level maintenance (grid computing, DB migration, hardware/OS concerns); FO: risk analysis customization, P&L pricer measures, hedging, Dodd/Frank reporting; BO: month-end processing enhancements, LCH MarginCall automation; batch performance optimizations.
Java/ Calypso Technical Analyst at CA-CIB (ex Calyon)
June 1, 2010 - October 27, 2025Front-to-back cross-asset risk analysis; Calypso integration with other systems (EAI, MQ, etc.); development of back-office reports and CRE/RSR tasks; Calypso migration to newer versions; archive optimization and data handling improvements; dashboard/reporting development.
Technical Analyst at Capgemini
July 1, 2007 - October 27, 2025Intranet deployment for EDF Réseau Distribution (ERD) on WebLogic Integration; Java/J2EE changes to intranet; multi-level intranet for error centralization.
IT Engineer at Unilog
July 1, 2006 - October 27, 2025Intranet development for ETAM using Python/Zope/CPS; collaborative intranet project.
Education
Master of Science in Computer Science at ESGI - Paris
January 1, 2002 - January 1, 2005Associate Degree in Computer Science at I.U.T d’Orléans - Loiret
January 1, 2000 - January 1, 2002Scientific Baccalauréat with Industrial Technology option at Lycée Benjamin Franklin à Orléans
January 1, 2000 - January 1, 2000Master of Science in Computer Science at ESGI - Paris
January 1, 2002 - January 1, 2005Associate Degree in Computer Science at I.U.T d’Orléans - Loiret
January 1, 2000 - January 1, 2002Scientific Baccalauréat with an industrial technology option at Lycée Benjamin Franklin à Orléans
January 1, 2000 - January 1, 2000Master of Science in Computer Science at ESGI - Paris
January 1, 2002 - January 1, 2005Associate Degree in Computer Science at I.U.T d’Orléans - Loiret
January 1, 2000 - January 1, 2002Scientific Baccalauréat with an industrial technology option at Lycée Benjamin Franklin, Orléans
January 1, 2000 - January 1, 2000Qualifications
B Permit (Switzerland)
January 11, 2030 - January 1, 2030Industry Experience
Financial Services, Real Estate & Construction, Software & Internet, Professional Services
Skills
Experience Level
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